Plastic pall ring 16, 25, 38, 50,76mm plastic pall ring PP, PE, PVDF, PVC, RPVC, RPP plastic pall ring Use as tower packing Plastic pall ring:PE pall ring, PP pall ring, RPP pall ring, PVC pall ring, CPVC pall ring, PVDF pall ring, PTFE pall ring, HDPE pall ring.Plastic Pall Ring has an advance on the Raschig Ring, Plastic Pall Ring has similar cylindrical dimensions but has two rows of punched ...